25856720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17011}}^1$

素因数の和:17043

約数の個数: 40

約数和(自身を含む): 63284640

約数和(自身を除く): 37427920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 17011, 34022, 68044, 85055, 136088, 170110, 272176, 323209, 340220, 646418, 680440, 1292836, 1360880, 1616045, 2585672, 3232090, 5171344, 6464180, 12928360, 25856720]

約数ペア:

[(1, 25856720), (2, 12928360), (4, 6464180), (5, 5171344), (8, 3232090), (10, 2585672), (16, 1616045), (19, 1360880), (20, 1292836), (38, 680440), (40, 646418), (76, 340220), (80, 323209), (95, 272176), (152, 170110), (190, 136088), (304, 85055), (380, 68044), (760, 34022), (1520, 17011)]